(19)
(11) EP 1 594 031 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.09.2006 Bulletin 2006/37

(43) Date of publication A2:
09.11.2005 Bulletin 2005/45

(21) Application number: 05102493.3

(22) Date of filing: 30.03.2005
(51) International Patent Classification (IPC): 
G06F 1/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR LV MK YU

(30) Priority: 30.03.2004 FI 20040472

(71) Applicant: TAMTRON OY
33561 Tampere (FI)

(72) Inventor:
  • Asikainen, Pentti
    35800, Mänttä (FI)

(74) Representative: Kupiainen, Juhani Kalervo et al
IPR Partners Oy
Bulevardi 2-4 A 00120 Helsinki
Bulevardi 2-4 A 00120 Helsinki (FI)

   


(54) Method and arrangement for protection of information


(57) The invention relates to a method and an arrangement for protecting information in special applications. The invention can be preferably applied e.g. in a weighing system for denying unauthorized exploitation and alteration of certifiable and confidential information related to weighing. In the inventive solution, a data processing unit is provided with an accessory unit, including an additional processor and a protected storage space for storing information to be protected. The accessory unit has its processor monitoring alterations in information stored in the protected storage space. Information stored in the protected storage space can also be used for securing special application software. In the event of an alteration detected in information to be protected, the accessory unit issues a report about the alteration.







Search report